<?php

namespace App\Transformer\Points;

class PointsTransformer
{
    const TYPE_LABELS = [
        'video' => '视频生成',
        'video_refund' => '视频生成退款',
        'image' => '图片生成',
        'image_refund' => '图片生成退款',
        'chat' => 'AI对话',
        'chat_refund' => 'AI对话退款',
        'system' => '平台发放',
        'company' => '组织发放',
    ];

    /**
     * 积分流水列表
     *
     * @param $data
     * @return array
     */
    public function newBuildPointsRecords($data): array
    {
        return [
            'meta' => getMeta($data),
            'list' => $this->newEachPointsRecord($data),
        ];
    }

    /**
     * 单条积分流水
     *
     * @param $list
     * @return array
     */
    public function newEachPointsRecord($list): array
    {
        $result = [];
        if (empty($list)) return $result;

        foreach ($list as $item) {
            $chargeInfo = getProp($item, 'charge_info');
            if (is_string($chargeInfo)) {
                $chargeInfo = json_decode($chargeInfo, true);
            }
            $chargeInfo = is_array($chargeInfo) ? $chargeInfo : [];

            $type = getProp($item, 'type', '');
            $pointsConsumed = (float)getProp($item, 'points_consumed', 0);
            if ($pointsConsumed > 0) {
                // 消耗：带负号
                $pointsChange = '-' . $pointsConsumed;
            } elseif ($pointsConsumed < 0) {
                // 赠送/入账：带正号
                $pointsChange = '+' . abs($pointsConsumed);
            } else {
                $pointsChange = '0';
            }
            $result[] = [
                'id' => (int)getProp($item, 'id'),
                'type' => $type,
                'type_label' => self::TYPE_LABELS[$type] ?? $type,
                'account' => (string)getProp($item, 'account', ''),
                'api_type' => getProp($item, 'api_type'),
                'task_id' => (int)getProp($item, 'task_id'),
                'charge_info' => $chargeInfo,
                'points_consumed' => $pointsConsumed,
                'points_change' => $pointsChange,
                'points_before' => (float)getProp($item, 'points_before', 0),
                'points_after' => (float)getProp($item, 'points_after', 0),
                'tokens_consumed' => (int)getProp($item, 'tokens_consumed', 0),
                'remark' => getProp($item, 'remark'),
                'created_at' => transDate(getProp($item, 'created_at')),
            ];
        }

        return $result;
    }
}